# coding=gbk
"""
Created on 

@author: 

@about:

"""


def test(f):
    print f(3)


def f(a):
    return a + 3


def g(a):
    return a - 3


if __name__ == '__main__':
    print "**************start**************\n\n"

    test(f)
    test(g)

    print "\n\n**************end**************"
